UPD78F9177 NEC, UPD78F9177 Datasheet - Page 19

• Manufacturer Part Number: UPD78F9177
• Description: 8-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

5.4
Notes 1. The number of V
Remark COMM PORT : Selection of serial port
Set as follows when writing to flash memory using the Flashpro III (PG-FP3).
<1> Download the parameter file.
<2> Select the serial mode and the serial clock using the type command.
<3> The following is a setting example using the PG-FP3.
3-wired serial I/O mode
SMB
UART
Pseudo 3-wire mode
Example of Settings for Flashpro III (PG-FP3)
Communication mode
Note2
2.
3.
4.
SIO CLK
CPU CLK
The pins to be used in communication are determined by this number of pulses.
Select one of 4.0 MHz or 3.125 MHz.
Select one of 9600 bps, 19200 bps, 38400 bps, or 76800 bps.
PD78F9177Y only.
: Selection of serial clock frequency
: Selection of CPU clock source to be input
PP
pulses supplied from the Flashpro III during serial communication initialization.
COMM PORT
CPU CLK
On target board
SIO CLK
In Flashpro
SIO CLK
COMM PORT
SLAVE ADDRESS
IIC CLOCK
CPU CLOCK
Flashpro Clock
Multiple Rate
COMM PORT
CPU CLK
On target board
UART BPS
COMM PORT
CPU CLK
On target board
SIO CLK
In Flashpro
SIO CLK
Table 5-3. Example Using PG-FP3
Setting example using PG-FP3
Data Sheet U14022EJ1V0DS00
SIO ch-0
On target board
In Flashpro
4.1943 MHz
1.0 MHz
4.0 MHz
1.0 MHz
IIC-ch0
10H
100 kHz
In Flashpro
4.0 MHz
01.00
UART-ch0
On target board
4.1943 MHz
9600 bps
Port A
On target board
In Flashpro
4.1943 MHz
1.0 MHz
4.0 MHz
1.0 MHz
Note3
Note4
PD78F9177, 78F9177Y
0
4
8
12
Number of V
PP
pulses
Note1
19